new changes added

DataStructure/queue.py

@@ -1,19 +1,19 @@
 #function to add element at the end of list
-def add_element(stack,x):
-    stack.append(x)
+def add_element(queue,x):
+    queue.append(x)
 #function to remove last element from list    
-def delete_element(stack):
-    n = len(stack)
+def delete_element(queue):
+    n = len(queue)
     if(n<=0):
         print("Queue empty....Deletion not possible")
     else:
-        del(stack[0])
+        del(queue[0])
 
-#function to display stack entry
-def display(stack):
-    if len(stack)<=0:
+#function to display queue entry
+def display(queue):
+    if len(queue)<=0:
         print("Queue empty...........Nothing to display")
-    for i in stack:
+    for i in queue:
         print(i,end=" ")
 #main program starts from here 
 x=[]

ModuleExamples/createModule.py

@@ -0,0 +1,23 @@
+def hello():
+    for x in range(10):
+        print('hello', x, end =" ")
+
+def sum_digit(n):
+    sum1 = 0
+    while n!=0:
+        sum1 += n%10
+        n = n//10
+    return sum1
+
+def simple_interest(p,r,t):
+    return p*r*t/100
+
+def area_triangle(base,height):
+    return base*height
+
+def isPrime(n):
+    found =0
+    for x in range(2,(n//2)+1):
+        if n%x==0:
+            found=1
+    return found

ModuleExamples/module_call.py

@@ -0,0 +1,8 @@
+from createModule import isPrime
+
+
+result = isPrime(11)
+if result ==0:
+    print('Prime Number')
+else:
+    print('Not a prime Number')

assignment_generator.py

@@ -1,3 +1,4 @@
+
 import random
 
 unique=[]
@@ -40,4 +41,4 @@
         if(counter>=6):
             break
 
-    print(string)
+    print(string)

delete_record.py

@@ -0,0 +1,29 @@
+import csv
+name = input('Name to delete :')
+# this is comment
+# hello rakesh this is comment
+""" this is multi line commnet"""
+
+records=[]
+found =0
+file = open("student.csv","r")
+reader = csv.DictReader(file)
+for record in reader:
+    record = dict(record)
+    if(record['name']!=name):
+        records.append(dict(record)) 
+    else:
+        found =1
+file.close()
+# Remove the old file and create a new csv file
+headers=['rollno','name','stream','fees']
+file = open("student.csv","w")
+writer = csv.DictWriter(file,fieldnames =headers, lineterminator ='\n') 
+writer.writeheader()
+writer.writerows(records)
+file.close()
+
+if(found==0):
+    print(name, " does not exists")
+else:
+    print(name," deleted successfully")

fileHandling/Create_binary_file.py

@@ -3,16 +3,16 @@
 #   Compiled on     : 27-Nov-2019
 
 import pickle
-list = []
+list1 = []
 while True:
     roll = input("Enter student Roll No:")
     sname = input("Enter student Name :")
     student = {"roll": roll, "name": sname}
-    list.append(student)
+    list1.append(student)
     choice = input("Want to add more record(y/n) :")
     if(choice == 'n'):
         break
 
 file = open("student.dat", "wb")
-pickle.dump(list, file)
+pickle.dump(list1, file)
 file.close()

fileHandling/Update_binary_file_record.py

@@ -4,8 +4,7 @@
 
 import pickle
 
-name = input('Enter name that you want to update in binary file :')
-
+name = input('Name to update :')
 file = open("student.dat", "rb+")
 list = pickle.load(file)
 

fileHandling/binary_files/create_bn.py

@@ -0,0 +1,13 @@
+import pickle
+rec=[]
+while True:
+    roll= int(input('Enter Name :'))
+    name=input('Enter your Name : ')
+    record = [roll, name]
+    rec.append(record)
+    choice=input('Add More(Y/N ) ? ')
+    if choice.upper() == 'N':
+         break
+f = open("student", "wb")
+pickle.dump(rec, f)
+f.close()

fileHandling/csv Files/AddRecord.py

@@ -0,0 +1,15 @@
+import csv
+
+rollno= int(input('Roll No :'))
+name  = input('Name :')
+stream = input('Stream :')
+fees =  int(input('Fees :'))
+
+records = [rollno,name,stream,fees]
+
+f = open("student.csv", "a")
+csvwriter = csv.writer(f, lineterminator='\n')
+# csvwriter.writerow(header)
+csvwriter.writerow(records)
+f.close()
+print("Record added ...")

fileHandling/csv Files/deleteRecord_readerWriter.py

@@ -0,0 +1,24 @@
+# program to update a record in csv file
+import csv
+name = input('Name to Delete :')
+records = []
+found = 0
+file = open("student.csv", "r")
+reader = csv.reader(file)
+for record in reader:
+    if(record[1]!= name):
+        records.append(record)
+        found = 1
+
+file.close()
+
+# Remove the old file and create a new csv file
+file = open("student.csv", "w")
+writer = csv.writer(file,lineterminator='\n')
+writer.writerows(records)
+file.close()
+
+if(found == 0):
+    print(name, " does not exists")
+else:
+    print(name, " deleted successfully")

fileHandling/csv Files/readcsvFile.py

@@ -0,0 +1,6 @@
+import csv
+f = open(r"C:\Users\rakesh\Desktop\student.csv", "r")
+data = csv.reader(f)
+for record in data:
+    print(record)
+f.close()

fileHandling/csv Files/readcsvUsingDictReader.py

@@ -0,0 +1,6 @@
+import csv
+f = open(r"C:\Users\rakesh\Desktop\student.csv", "r")
+data = csv.DictReader(f)
+for record in data:
+    print(dict(record))
+f.close()

fileHandling/csv Files/search_record.py

@@ -0,0 +1,15 @@
+import csv
+name = input('Name to Search :')
+
+file = open('student.csv','r')
+reader = csv.DictReader(file)
+found =0
+for x in reader:
+    x = dict(x)
+    if(x['name']==name):
+        print(name,' found in CSV file..')
+        found =1
+file.close()
+
+if(found == 0):
+    print(name, ' not found....')

fileHandling/csv Files/search_record_reader.py

@@ -0,0 +1,14 @@
+import csv
+name = input('Name to Search :')
+
+file = open('student.csv', 'r')
+reader =csv.reader(file)
+found = 0
+for x in reader:
+    if(x[1] == name):
+        print(name, ' found in CSV file..')
+        found = 1
+file.close()
+
+if(found == 0):
+    print(name, ' not found....')

fileHandling/csv Files/tempCodeRunnerFile.py

@@ -0,0 +1 @@
+

fileHandling/csv Files/updateCSV.py

@@ -0,0 +1,31 @@
+# program to update a record in csv file
+import csv
+name = input('Name to Update :')
+records = []
+found = 0
+file = open("student.csv", "r")
+reader = csv.DictReader(file)
+for record in reader:
+    record = dict(record)
+    if(record['name'] == name):
+        record = dict(record)
+        record['name'] =input('New Name:')
+        records.append(record)
+        found=1
+    else:
+        records.append(dict(record))
+file.close()
+
+# Remove the old file and create a new csv file
+pr
+headers = ['rollno', 'name', 'stream', 'fees']
+file = open("student.csv", "w")
+writer = csv.DictWriter(file, fieldnames=headers, lineterminator='\n')
+writer.writeheader()
+writer.writerows(records)
+file.close()
+
+if(found == 0):
+    print(name, " does not exists")
+else:
+    print(name, " updated successfully")

fileHandling/csv Files/writeCSVFile.py

@@ -0,0 +1,15 @@
+import csv
+records =[ 
+    ["ID", "name", "Price", "Qty"],
+          ["102","LG Monitor","6500","20"],
+          ["103","KeyBoard","1350","156"],
+          ["105","Hp Mouse","650","120"],
+          ["106","Speaker","1670","136"]
+]
+
+f = open("stock.csv","w")
+csvwriter = csv.writer(f,lineterminator="\n")
+# csvwriter.writerow(header)
+csvwriter.writerows(records)
+f.close()
+print("Check your file now....")

fileHandling/csv Files/writeCsvDictWriter.py

@@ -0,0 +1,15 @@
+import csv
+headers =['rollno','name','stream','fees']
+records = [
+    {'fees': 2356,'rollno': 12, 'name': 'surendra', 'stream': 'Humanities', },
+    {'rollno': 13, 'stream': 'Humanities', 'fees': 2356,'name': 'Ashok', },
+    {'rollno':15,'name':'Nipun','stream':'Humanities','fees':2356},
+    {'rollno': 22, 'name': 'Ayush Negi', 'fees': 2356,'stream': 'Science', },
+]
+
+f = open("student.csv", "w")
+writer = csv.DictWriter(f, fieldnames = headers, lineterminator='\n')
+writer.writeheader()
+writer.writerows(records)
+f.close()
+print("Check your file now....")

fileHandling/csvReader.py

@@ -1,3 +1,5 @@
+
+
 import csv
 import xlwt
 from tabulate import tabulate

fileHandling/read_binary_file.py

@@ -6,5 +6,6 @@
 
 file = open("student.dat", "rb")
 list = pickle.load(file)
-print(list)
+for x in list:
+    print(x['roll'],x['name'])
 file.close()

fileHandling/search_in_binary_file.py

@@ -3,15 +3,13 @@
 #   Compiled on     : 8-July-2018
 
 import pickle
-
-name = input('Enter name that you want to search in binary file :')
-
+name = input('Name  to search :')
 file = open("student.dat", "rb")
-list = pickle.load(file)
+list1 = pickle.load(file)
 file.close()
 
 found = 0
-for x in list:
+for x in list1:
     if name in x['name']:
         found = 1
 print("Found in binary file" if found == 1 else "Not found")

matplotlib/bar_Graph.py

@@ -1,11 +1,12 @@
 # program to print bar graph on the screen
 # made by        : rakesh kumar
 
+import numpy as np
 import matplotlib.pyplot as plt
-x = ['Delhi', 'Banglore', 'Chennai', 'Pune']
-y = [250, 300, 260, 400]
+city = ['Delhi', 'Banglore', 'Chennai', 'Pune']
+sales = [250, 300, 260, 400]
 plt.xlabel('City')
 plt.ylabel('Sales in Million')
 plt.title('Sales Recorded in Major Cities')
-plt.bar(x, y)
+plt.bar(city, sales)
 plt.show()

matplotlib/box_plot1.py

@@ -0,0 +1,5 @@
+import matplotlib.pyplot as plt
+x = [1, 3, 4, 7, 8, 8, 9]
+plt.boxplot(x)
+plt.grid()
+plt.show()

matplotlib/box_plot2.py

@@ -0,0 +1,7 @@
+import matplotlib.pyplot as plt
+list1 = [10, 33, 43, 74, 84, 8, 9,35,63,5,3,67,8,78,35,2,57,7,78,34,67,34]
+list2 = [23,3,5,67,67,78,98,90,100,12,45,67,89,45,56,78,9,23,69,56,23,5]
+plt.boxplot([list1,list2],labels=['Girls','Boys'])
+plt.grid()
+plt.legend()
+plt.show()

matplotlib/boxplot.py

@@ -0,0 +1,8 @@
+import matplotlib.pyplot as plt
+import numpy as np
+import numpy as np
+x = np.arange(1,100)
+y = np.arange(101,200)
+z=  np.arange(201,250)
+plt.boxplot([x,y,z])
+plt.show()

matplotlib/frequency_polygon.py

@@ -1 +1,22 @@
 import matplotlib.pyplot as plt
+<<<<<<< HEAD
+=======
+from numpy import linspace,pi,sin,cos,tan
+
+#multiple figures
+data=[1,2,3,4,5,
+      10,11,12,14,15,18,16,14,13,12,19,20,16,14,19,
+      22, 21, 22, 23, 24, 25, 23, 26, 28, 26,27,25,28,29,30, 
+      32,33,37,38,38,39,34,36,
+      42,43,45,46,48,46,49,50,43,42,44,45,47,49,50,49,48,42,46,41,45,46,48,45,44,
+      51,52,54,55,53,58,57,59,60,52,51,54,53
+      ]
+frequency = [5,15,18,8,25,13]
+x = [5,15,25.5,35.5,45.5,55.5]
+
+
+plt.figure(1)
+plt.hist(data,bins=[0,10,20,30,40,50,60],color="green")
+plt.scatter(frequency,x)
+plt.show()
+>>>>>>> da25a2a32ac30d0980ed6d1d3ad58008d8ff0b21